[Checkins] [zopefoundation/zope.testbrowser] e5ed3b: Fix linting errors

[Jürgen Gmach]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/zope.testbrowser
  Commit: e5ed3b2b3a3ccc8f7993ab9d77a51045e239a194
      https://github.com/zopefoundation/zope.testbrowser/commit/e5ed3b2b3a3ccc8f7993ab9d77a51045e239a194
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2020-05-18 (Mon, 18 May 2020)

  Changed paths:
    M src/zope/testbrowser/browser.py

  Log Message:
  -----------
  Fix linting errors

... which came along new flake8 version.

modified:   src/zope/testbrowser/browser.py